<template>
  <div ref="chartRef" :style="{ height, width }"></div>
</template>
<script lang="ts">
  import { basicProps } from './props';
  import { getStatistics } from '/@/api/preschool/app';
</script>
<script lang="ts" setup>
  import { onMounted, ref, Ref } from 'vue';
  import { useECharts } from '/@/hooks/web/useECharts';

  defineProps({
    ...basicProps,
  });
  const chartRef = ref<HTMLDivElement | null>(null);
  const { setOptions } = useECharts(chartRef as Ref<HTMLDivElement>);

  onMounted(async () => {
    let res = await getStatistics();
    let statistic = res.statistic;
    setOptions({
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          lineStyle: {
            width: 1,
            color: '#019680',
          },
        },
      },
      xAxis: {
        type: 'category',
        boundaryGap: false,
        data: [...statistic].map((item, _index) => item.dateCalculated),
        splitLine: {
          show: true,
          lineStyle: {
            width: 1,
            type: 'solid',
            color: 'rgba(226,226,226,0.5)',
          },
        },
        axisTick: {
          show: false,
        },
      },
      yAxis: [
        {
          type: 'value',
          max: Math.max(...statistic.map((item, _index) => item.videoViewNum)) * 1.5,
          splitNumber: 4,
          axisTick: {
            show: false,
          },
          splitArea: {
            show: true,
            areaStyle: {
              color: ['rgba(255,255,255,0.2)', 'rgba(226,226,226,0.2)'],
            },
          },
        },
      ],
      grid: { left: '1%', right: '1%', top: '2  %', bottom: 0, containLabel: true },
      series: [
        {
          name: '观看量',
          smooth: true,
          data: [...statistic].map((item, _index) => item.videoViewNum),
          type: 'line',
          areaStyle: {},
          itemStyle: {
            color: '#5ab1ef',
          },
        },
        {
          name: '访问量',
          smooth: true,
          data: [...statistic].map((item, _index) => item.loginNum),
          type: 'line',
          areaStyle: {},
          itemStyle: {
            color: '#019680',
          },
        },
        {
          name: '注册量',
          smooth: true,
          data: [...statistic].map((item, _index) => item.registerNum),
          type: 'line',
          areaStyle: {},
          itemStyle: {
            color: '#99B9D9',
          },
        },
        {
          name: '课程数',
          smooth: true,
          data: [...statistic].map((item, _index) => item.courseNum),
          type: 'line',
          areaStyle: {},
          itemStyle: {
            color: '#7AB3CB',
          },
        },
      ],
    });
  });
</script>
